Extrinsic 99639-1

{
  "heartbeat": {
    "blockNumber": 99638,
    "sessionIndex": 1660,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xda0196f799b1c9a17924ae11516a4fb4565ff14881de7521b9d7302cbbaafd14001faf585487eba901fc8f6eccd744cbc35e1d6d53ac69238dfb03de40ff4689"
}